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propfan

[prop-fan] /ˈprɒpˌfæn/
noun
1.
Aeronautics. a turbojet having a turbine-driven propeller that operates completely outside the jet engine.
Compare turbofan, turboprop.
Origin of propfan
1965-1970
1965-70; prop3 + fan1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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